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Molecule Beads - 3L Version
Walmart
Molecule Beads - 3L Version
From Thames & Kosmos
Current price: $4.00
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Make plump and squishy polymer gel beads to demonstrate the molecular structure of plastics. Form the gelatinous globules by dripping sodium alginate into a solution containing calcium ions. Learn how massive chains of polymers make these fun squishy orbs possible.